Enrich your math and science curriculum with activities for "An Extraterrestrial Alien" by Jack Prelutsky and "Our Earth and the Solar System" by Ken Graun. Through the poem, the book, and the activities in this printable, students will learn about the solar system, practice using scientific notation, and develop skills measuring and estimating size and scale. Activities include modeling planets with Play-Doh, researching and presenting facts, and estimating, predicting, and computing relative planet sizes.